Google released the Agent Payments Protocol (AP2), an open-source standard that was made with help from more than 60 companies, such as the Ethereum Foundation, Coinbase, Mastercard, and PayPal. The protocol launched on September 16, 2025, aims to make it safe for artificial intelligence (AI) agents to handle financial deals for users, giving the growing field of agent-led commerce a standard way to work.
The project addresses a major gap in current payment systems, which are designed to work only when a person is present to approve deals. AP2 adds a way for AI agents to safely verify payment requests and show that the user is authorized. The protocol uses digital contracts signed with cryptography called “Mandates” to serve as proof that a user gave permission and understood what was happening, according to the official statement.
A Single Framework for Different Payments
AP2 accepts a lot of different ways to pay, from credit cards and real-time bank transfers to digital assets like stablecoins. Google worked with Coinbase and the Ethereum Foundation to create A2A x402, an extension that is ready for use in production for crypto-native transfers. James Tromans, head of Web3 at Google Cloud, said that the protocol was made “from scratch to combine existing payment rails with new ones.” This means that AI systems can handle payments in a way that “humans expect to be reliable and secure.”
Big names in finance, e-commerce, and technology have all given the project their full backing. The CEO of Mastercard, Pablo Fourez, said that the company is excited to “help shape the future of agentic commerce.” Prakhar Mehrotra, SVP and Global Head of AI at PayPal, said, “AP2 provides the critical foundation for trusted agent payments.” This is a goal that PayPal “fully aligns with.” DefiLlama data shows that the total value of all stablecoins in circulation has recently hit $289 billion, making their inclusion all the more important.
When the Agent Payments Protocol goes live, it will be a key piece of infrastructure for the next big wave in the internet economy. By creating a shared, open standard for AI-driven transactions, Google and its partners are laying the groundwork for a future where autonomous agents can seamlessly interact with commercial systems. This can lead to a new path, while now decentralized apps can directly contact AI businesses, handling issues like bills and subscriptions. AP2 provides the trust and security framework necessary to make this vision a reality, potentially accelerating the transition to a more automated and efficient digital marketplace.
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